1101073503 has 16 divisors (see below), whose sum is σ = 1612558080. Its totient is φ = 665178624.

The previous prime is 1101073489. The next prime is 1101073507. The reversal of 1101073503 is 3053701011.

It is not a de Polignac number, because 1101073503 - 2⁴ = 1101073487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1101073503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101073507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418626 + ... + 421247.

It is an arithmetic number, because the mean of its divisors is an integer number (100784880).

Almost surely, 2^1101073503 is an apocalyptic number.

1101073503 is a deficient number, since it is larger than the sum of its proper divisors (511484577).

1101073503 is a wasteful number, since it uses less digits than its factorization.

1101073503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839918.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 1101073503 is about 33182.4276236685. The cubic root of 1101073503 is about 1032.6158110651.

Adding to 1101073503 its reverse (3053701011), we get a palindrome (4154774514).

The spelling of 1101073503 in words is "one billion, one hundred one million, seventy-three thousand, five hundred three".